<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
</head>
<body>
<div>
    <h2>首页</h2>
    <a href="/login">登陆</a>
    <div style="overflow: hidden">
        <div style="float: left;margin-left: 20px">
            <h3>level1</h3>
            <a href="/level1/1">level-1-1</a>
            <hr>
            <a href="/level1/2">level-1-2</a>
        </div>
        <div style="float: left;margin-left: 20px">
            <h3>level2</h3>
            <a href="/level2/1">level-2-1</a>
            <hr>
            <a href="/level2/2">level-2-2</a>
        </div>
        <div style="float: left;margin-left: 20px">
            <h3>level3</h3>
            <a href="/level3/1">level-3-1</a>
            <hr>
            <a href="/level3/2">level-3-2</a>
        </div>
    </div>
    <a href="/logout">注销</a>
</div>
</body>
</html>